On May 25 in 2018, the General Data Protection Regulation will take place in the EU. This post is about possible problems followed by an idea, how to keep your users data safe while keeping all the data.

In this two part series, we will develop our very own file format to store stock prices as time series using Scodec and Akka Streams. The first part will describe the encoding / decoding process and how we improve our binary protocol step by step. In the second part, we will use Akka Streams to read and write our own files in chunks with the help of backpressure.